/**
 * 顶部导航
 * @author 向军
 */
.mobile_header {
  width: 100%;
  z-index: 9999;
  position: relative;
  top: 0px;
  height: 40px;
  background: #2c70ab;
  display: flex;
  justify-content: space-between;
}
.mobile_header .mobile_header_content {
  color: #fff;
  font-size: 15px;
  line-height: 2.5em;
}
.mobile_header .back_url {
  width: 30px;
  text-align: center;
  font-size: 18px;
  color: #fff;
  line-height: 2.5em;
}
.mobile_header .cat_menu_list {
  font-size: 20px;
  color: #fff;
  margin-right: 10px;
  line-height: 2em;
  position: relative;
}
.mobile_header .child_menu_list {
  position: absolute;
  z-index: 9999;
  top: 40px;
  right: 0px;
  width: 100%;
  background: #fefefe;
  padding: 5px;
  clear: both;
  display: none;
}
.mobile_header .child_menu_list dl dt {
  font-size: 1.1em;
  border-bottom: solid 1px #eee;
  padding-bottom: 5px;
  margin-bottom: 6px;
  margin-top: 15px;
}
.mobile_header .child_menu_list dl dt a {
  color: #333;
}
.mobile_header .child_menu_list dl dd {
  clear: both;
  height: auto;
  overflow: hidden;
}
.mobile_header .child_menu_list dl dd a {
  color: #666;
  float: left;
  padding: 0px 5px;
}
.head-bg-gray {
  position: absolute;
  background: #000;
  top: 0px;
  width: 100%;
  bottom: 0px;
  z-index: 100;
  opacity: .5;
  display: none;
}
